西门子s7-300手册集-基本应用

PLC

名称PLC

定义PLC

构成S7-200™:S7-21x系列CPU设计SFQ0.0I0.0CPU

212电位器输出模式选择器器卡Date:File:2005-9-26SystemFamily.7SIMATIC®

S7AG

2003.s.SITRAIN

Training

forAutomation

and

DrivesRUN

STOPQ0.1

Q0.2

Q0.3

Q0.4

Q0.5I0.1

I0.2

I0.3

I0.4

I0.5I0.6

I0.7SIMATICS7-200输入本机DI/DO状态指示PPI

连接状态指示S7-300™Date:

File:2005-9-26SystemFamily.9SIMATIC®

S7AG

2003.s.SITRAIN

Training

for

Automation

and

DrivesS7-300™:模块Date:

File:2005-9-26SystemFamily.10SIMATIC®

S7AG

2003.s.SITRAIN

Training

for

Automation

and

DrivesPSCPUIMSM:SM:SM:SM:(可选)(可选)DIDOAIAOFM:计数定位闭环控制CP:点-到-点PROFIBUS工业以太网PLUS7-300™:

CPU设计Date:

File:2005-9-26SystemFamily.11SIMATIC®

S7AG

2003.s.SITRAIN

Training

for

Automation

and

DrivesPLC-PSPLC-I/OPLC-I/O数字量模块上的LED指示灯S7-400S7-300每个通道都有显示状态的LED指示灯端子处的信号状态Date:

File:2005-9-27.6SIMATIC

S7AG

2000.s.Information

and

Training

Center

Knowledge

for

Automation端子处的信号状态（对于数字量输入）状态，光耦前（对于数字量输出）PLC-RACKPLC-PCPLC-BLOCKPLC-FCPLC-FBPLC-FB/DBPLC-BLOCKOB循环定时程序块类型操作系统DBDBDate:

File:2005-9-27Blocks.3SIMATIC®

S7AG

2003.s.SITRAIN

Training

for

Automation

and

Drives故障组织块过程FCSFCFB

带背景数据块图例:OB

=组织块FB

=功能块FC

=功能SFB=系统功能块SFC=系统功能DB

=数据块FBFCFBFBSFB(16对CPU

318)最大嵌套深度:

S7-300:

8S7-400:

24(2至4个附加级给故障OB,对每一个优先级)PLC-FC/FB功能和功能块Date: 2005-9-26File:

FCFBs.1SIMATIC®

S7AG

2003.

s.SITRAIN

Training

for

Automation

and

DrivesPLC-P1PLC-P2PLC-P3PLC-P4PLC-LADPLC-LADA I

0.0A I

0.1=

Q8.0STEP7

编程语言STLFBDDate:

File:2005-9-26Blocks.9SIMATIC®

S7AG

2003.s.SITRAIN

Training

for

Automation

and

Drives&Q8.0=I

0.0I

0.1I

0.0 I

0.1

Q8.0LADPLC-SET赋值，置位，复位Q

4.0(

)I

1.0I

1.1I

1.0&Q

4.0A

I

1.0A

I

1.1=

Q

4.0赋值LADFBDSTLDate:

File:2005-9-26Binary.8SIMATIC®

S7AG

2003.

s.SITRAIN

Training

for

Automation

and

DrivesQ

4.1(S)I

1.2I

1.3I

1.2&Q

4.1

SI

1.3A

I

1.2A

I

1.3S

Q

4.1置位Q

4.1(R)I

1.4I

1.4>=1Q

4.1RI

1.5O

I

1.4O

I

1.5R

Q

4.1复位I

1.5=I

1.1PLC-MonitorPLC-Mon